@inbook{1118112772,
author={Norton J. Greenberger and Richard S. Blumberg and Robert Burakoff},
title={Nota},
booktitle={Diagnóstico y tratamiento en gastroenterología, hepatología y endoscopia},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2015},
url={accessmedicina.mhmedical.com/content.aspx?aid=1118112772}
}